php_training_day4_arrays

<?php
/*
ARRAYS
Array is a complex type of variable which can store multiple amount of data in a single variable

TYPE OF ARRAYS
1. Index Array
    An array with numeric key
2. Associative Array
    an array where each key has it's own specific value
3. Multidimensional Array
    An array containing one or more arrays within itself.
*/

// INDEX ARRAY OR NUMERIC ARRAY
$colors = array('Red', 'Green', 'Blue', 'Orange');
echo $colors[0];

echo '<br /><br /><br />';

// $colors[0] = 'Red';
// $colors[1] = 'Green';
// $colors[2] = 'Blue';
// $colors[3] = 'Orange';

// Associative Array
$ages = array('Peter' => 22, 'Marco' => 32, 'Josh' => 40);
echo $ages['Peter'];

// $ages['Peter'] = 22;
// $ages['Marco'] = 32;

echo '<br /><br /><br />';

$contacts = array(
    array(
        'name' => 'Peter Parker',
        'email' => 'peterparker@gmail.com'
    ),

    array(
        'name' => 'Clark Kent',
        'email' => 'clarkkent@gmail.com'
    ),

    array(
        'name' => 'Harry Potter',
        'email' => 'harrypotter@gmail.com'
    )
);

echo $contacts[0]['name'];